最适宜作桥体龈面的材料是().
A.瓷
B.钴铬合金
C.塑料
D.金合金
E.复合树脂
参考答案:A
-What about ________ a rest?
-OK! Let’s go for a walk.[ ]
A. to have
B. had
C. have
D. having
女性,24岁,突发右侧胸痛干咳发热3天,查体:体温38℃,气管左侧移位,右侧中下肺叩诊发浊、呼吸音减弱,血沉:44mm/h为了防止胸膜粘连应尽量抽取胸水,第一次抽取胸水的量最好不超过()
A.1000ml
B.1200ml
C.700ml
D.800ml
E.500ml